Articulated ball point pen



FIG. 1 is a front elevational view of an articulated ball point pen showing my new design, the rear being identical thereto;

FIG. 2 is a side elevational view, the opposite side being identical thereto; and

FIG. 3 is a side elevational view thereof in the collapsed position. 

The ornamental design for an articulated ball point pen, substantially as shown and described. 